Now, to the new trend taking over hollywood. Stars going bare and fresh-faced in so many public snapshots, leaving the makeup behind. Why are so many suddenly revealing this side of themselves? Abbie boudreau takes a look. Reporter: This is the way we've come to know our celebrities. Glam, gorgeous, makeup-perfect. Always red carpet-ready. But the faces are tweeting out pictures of themselves sans makeup. From rihanna. To miley. To demi lovato and kelly osbourne. It really makes them relatable to their fans. They get to see them without all of the glamour that they usually see them with on red carpets and in magazines. Reporter: Lady gaga wished her fans a beautiful day. Snooki shared her clean canvas before getting artistic. And kim kardashian tweeted this pic, chilling with no makeup on. The vast majority o images that people are inundated with every day, are airbrushed, professionally photoshopped. These photos are more realistic. A more inclusive depiction of beauty. Reporter: Even supermodel cindy crawford is embracing a more relaxed look. Tweeting, as I've gotten older, I wear less makeup. It can make you look older. And hopefully, we get more comfortable in our skin. In the spirit of cindy crawford, I decided to head to fresh. To highlight a woman's features without looking overdone. But fresh makeup artist, susan morrow, showed me how to go with no makeup at all, to this. Ten minutes later, I'm done. And it feels so natural. We don't need all of the makeup. To highlight what we need. Low light what we don't need. Reporter: While it's unlikely these a-listers will ever give up their makeup bag, these pictures remind us, beay is not just skin-deep. It's a good p.R. Move for them to do this because it gets people talking about them. And gets people going to their twitter pages or wherever they're posting. Reporter: For "good morning america," abbie boudreau, abc news, los angeles.

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